Dental tray



FIG. 1 is a top, right perspective view of a dental tray, showing my newdesign;

FIG. 2 is a right side elevational view thereof, the left sideelevational view being identical thereto;

FIG. 3 is a top plan view thereof.

FIG. 4 is a bottom plan view thereof.

FIG. 5 is a rear elevational view thereof; and

FIG. 6 is a front elevational view thereof.

The ornamental design for a dental tray, as shown and described.